telescopecomparison · 2-way
Takahashi FC-100DZ vs ZWO FF110 APO

Takahashi
FC-100DZ
Best suited for intermediate imagers building a versatile kit running a portable travel rig.

ZWO
FF110 APO
Best suited for intermediate imagers building a versatile kit running a backyard imaging setup.
Key differences
-9% aperture
Slower by 1.0 f-stops
Specifications
| Specification | Takahashi FC-100DZ | ZWO FF110 APO |
|---|---|---|
| Optics | ||
| Type | refractor | refractor |
| Optical design | Apo doublet fluorite | Apo quadruplet ED |
| Aperture | 100mm | 110mm |
| Focal length | 800mm | 766mm |
| Native f/ratio | f/8.0 | f/7.0 |
| Image circle | 44mm | 44mm |
| Full-frame support | No | Yes |
| Physical | ||
| Weight | 3.3kg | 5.7kg |
Advantages of Takahashi FC-100DZ
- Lighter (3.3kg vs 5.74kg) — easier to travel with
Advantages of ZWO FF110 APO
- Faster optics at f/7 vs f/8
Best for — Takahashi FC-100DZ
- Medium-sized galaxies and planetary nebulae
- High-resolution long-exposure work
Best for — ZWO FF110 APO
- Medium-sized galaxies and planetary nebulae
- Full-frame astro cameras and DSLRs
Takahashi FC-100DZ — typical FOV & scale
- With Full-frame (36×24mm, 3.76µm)FOV: 2.58° × 1.72°Scale: 0.97"/px
- With APS-C (23.5×15.7mm, 3.76µm)FOV: 1.68° × 1.12°Scale: 0.97"/px
- With IMX533 square (11.3×11.3mm, 3.76µm)FOV: 0.81° × 0.81°Scale: 0.97"/px
ZWO FF110 APO — typical FOV & scale
- With Full-frame (36×24mm, 3.76µm)FOV: 2.69° × 1.80°Scale: 1.01"/px
- With APS-C (23.5×15.7mm, 3.76µm)FOV: 1.76° × 1.17°Scale: 1.01"/px
- With IMX533 square (11.3×11.3mm, 3.76µm)FOV: 0.85° × 0.85°Scale: 1.01"/px
Takahashi FC-100DZ — recommended user
Best suited for intermediate imagers building a versatile kit running a portable travel rig.
ZWO FF110 APO — recommended user
Best suited for intermediate imagers building a versatile kit running a backyard imaging setup.


